Describe the AngularJS module vs. component

Published November 03, 2022

What is a Module, One of the first fundamental building blocks you encounter while using Angular to code an app is the module, or NgModule, which is also the most complicated due to its various scopes.

Every Angular app contains a root module called AppModule that acts as the application's launcher.

NgModules can export and utilize their functionality and the functionality of other NgModules.

In Angular programs, NgModules are shared (independent) units. We offer a variety of modules, including:

  • System (Router, etc.)

  • other modules

  • custom modules

  • third party modules

In Angular, modules can be "lazy-loaded," which only load when necessary. An Angular app performs much better when lazy loading is used.

A NgModules FAQ is available in the Angular documentation.

 

What is a Component

A view, a portion of the screen, is controlled by a component.

It is the most fundamental UI component in an Angular application. The directive includes a unique decorator (@Component) and template.

You can designate a class as an Angular component using the component decorator and add extra information to specify how the component should be handled, created, and used during runtime.

 

Difference between Component vs. Module

  • The module may be considered a grouping of parts, instructions, services, pipes, assistants, etc.

  • Each component can use other components that are declared in the same module. 

  • Components declared in other modules must be exported before being imported into the module where the functionality is required.

  • An application is made up of one of many modules.

  • The module represents the @ngModule package, and the component represents the @Component package.

  • Components can control html view or html page. They also interact with other parts and services to provide your app functionality.

  • One or more components make up a module. They are not in charge of any HTML. Certain components from other modules can use which components are specified in your modules. You may manage your components with modules to make your app more modular.

 

Comparison table of the Component and Module

Module 

Component

The module contains one or more components for the application.

A component does not contain a single module for the application. The component is part of the module.

It represents @ngModule

It represents @Component

The module does not control html view or page of the application.

The component controls html view of the application.

 

Conclusion

The component and module is part of the angular web application to develop application and provide services also. Both are necessary for the development process to get the required functionalities